bonding: use rlb_client_info->vlan_id instead of ->tag

Store VID in ->vlan_id (if any), and remove the useless ->tag.

CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: NVeaceslav Falico <vfalico@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/bonding/bond_alb.c

@@ -512,7 +512,7 @@ static void rlb_update_client(struct rlb_client_info *client_info)
 
 		skb->dev = client_info->slave->dev;
 
-		if (client_info->tag) {
+		if (client_info->vlan_id) {
 			skb = vlan_put_tag(skb, htons(ETH_P_8021Q), client_info->vlan_id);
 			if (!skb) {
 				pr_err("%s: Error: failed to insert VLAN tag\n",
@@ -695,7 +695,7 @@ static struct slave *rlb_choose_channel(struct sk_buff *skb, struct bonding *bon
 		}
 
 		if (!vlan_get_tag(skb, &client_info->vlan_id))
-			client_info->tag = 1;
+			client_info->vlan_id = 0;
 
 		if (!client_info->assigned) {
 			u32 prev_tbl_head = bond_info->rx_hashtbl_used_head;
@@ -801,7 +801,7 @@ static void rlb_init_table_entry_dst(struct rlb_client_info *entry)
 	entry->used_prev = RLB_NULL_INDEX;
 	entry->assigned = 0;
 	entry->slave = NULL;
-	entry->tag = 0;
+	entry->vlan_id = 0;
 }
 static void rlb_init_table_entry_src(struct rlb_client_info *entry)
 {
@@ -958,7 +958,7 @@ static void rlb_clear_vlan(struct bonding *bond, unsigned short vlan_id)
 		struct rlb_client_info *curr = &(bond_info->rx_hashtbl[curr_index]);
 		u32 next_index = bond_info->rx_hashtbl[curr_index].used_next;
 
-		if (curr->tag && (curr->vlan_id == vlan_id))
+		if (curr->vlan_id == vlan_id)
 			rlb_delete_table_entry(bond, curr_index);
 
 		curr_index = next_index;

drivers/net/bonding/bond_alb.h

@@ -125,7 +125,6 @@ struct rlb_client_info {
 	u8  assigned;		/* checking whether this entry is assigned */
 	u8  ntt;		/* flag - need to transmit client info */
 	struct slave *slave;	/* the slave assigned to this client */
-	u8 tag;			/* flag - need to tag skb */
 	unsigned short vlan_id;	/* VLAN tag associated with IP address */
 };